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15 cards from this deck
Transfer of electrons from metal to non-metal
Positive sodium ion (Na⁺)
Negative chloride ion (Cl⁻)
Strong electrostatic attraction between opposite charges
No charge (positive & negative cancel out)
Giant structure of ions in regular, repeating pattern
Strong electrostatic forces between oppositely charged ions
1.2×10181.2 \times 10^{18}1.2×1018 ions
High (solid at room temperature)
Strong electrostatic forces need lots of energy to overcome
Higher charges create stronger forces, higher melting point
Mg2+\text{Mg}^{2+}Mg2+ and O2−\text{O}^{2-}O2− bonds stronger than Na+\text{Na}^+Na+ and Cl−\text{Cl}^-Cl−
When melted or dissolved in water
Ions held in fixed positions, can't move
Ions free to move and carry electric current
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